Commit graph

15 commits

Author SHA1 Message Date
Leonardo de Moura
cc8d9bc7ff refactor(hott): replace 'assert'-expr with 'have'-expr 2016-02-29 12:11:17 -08:00
Leonardo de Moura
1924b2884c refactor(library/tactic): remove 'append' and 'interleave' tacticals
Preparation for major refactoring in the tactic framework.
2016-02-24 16:02:16 -08:00
Floris van Doorn
4e2cc66061 style(*): rename is_hprop/is_hset to is_prop/is_set 2016-02-22 11:15:38 -08:00
Jakob von Raumer
c0abcc7722 chore(hott): fix signature of previous lemma 2016-02-09 09:59:03 -08:00
Jakob von Raumer
3c7536cff8 chore(hott): clean up cancellability proof a bit 2016-02-09 09:58:57 -08:00
Jakob von Raumer
4edb6d7765 feat(hott): finish cancelling law for sums with unit 2016-02-09 09:58:31 -08:00
Jakob von Raumer
0ad8131985 feat(hott): start cancellation proof for sums 2016-02-09 09:58:24 -08:00
Jakob von Raumer
1042f6c29d feat(hott): port finite ordinal sets from the std library, with all things related to nat.mod and to fintype still missing.
create a logic.hlean file for further extension of the logic theory in the prelude. add distributivity lemmas for products and sums.
2016-02-09 09:58:10 -08:00
Floris van Doorn
da5f10ce63 feat(hott): minor fixes. allow the usage of numerals for trunc_index 2015-12-17 12:46:16 -08:00
Floris van Doorn
732897340d fix(types): change some definitions to theorems 2015-09-11 23:35:21 -07:00
Floris van Doorn
fb364f8bc7 feat(types): add more equivalences between combinations of type constructors 2015-09-11 23:35:21 -07:00
Floris van Doorn
7e52c49dce feat(hott): many changes is the HoTT library
Prove that 'is_left_adjoint F' is a mere proposition, although this proof is commented out because it takes ~10 seconds
2015-09-01 15:17:46 -07:00
Floris van Doorn
c24fd508b6 feat(hott/types): add more about pathovers in type constructors, prove that double negation elimination doesn't hold universally 2015-09-01 15:17:46 -07:00
Floris van Doorn
cfddfdfa84 feat(hott/types): add characterization of lift, prove that Type.{u} is not an hset 2015-09-01 15:17:46 -07:00
Floris van Doorn
e51ba09a27 feat(hott): add types.sum, greatly expand types.prod, minor changes in types.sigma and types.pi 2015-08-07 13:34:41 -07:00